This groundbreaking 16th-century map is known as "America's birth certificate."

One of the three perfect vellum copies of this historic book known to exist is on display in a specially-designed case.

The U.S. Fish Commission’s effort to mass produce carp.

There's a 12-foot-tall replica of the Washington Monument hidden under a manhole nearby.

A tiny monument to the unsuccessful attempt by Thomas Jefferson to place the prime meridian in Washington.

Look closely and you’ll notice that the color changes a third of the way up the tower.

Ruins from the Parthenon and petrified wood line the interior of one of the world's most famous monuments.

A traveling postal dog covered 48 states and more than 140,000 miles, and he lives on as taxidermy, patched up with a rabbit's foot and a pig's ear.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

The Vatican of the movie industry turned into an actual church.

Deliciousness abounds at a Guatemalan restaurant masquerading as a pizzeria.

I fought the law and the precinct caved in.

These two 90-year-old statues were once part of a Japanese Shinto shrine.

This hike brings visitors closer to Taipei 101, once the world’s tallest building, than any other trail.

This crosswalk hosts one of Taipei’s most beloved public artworks.

Church featuring "high Victorian gothic" architecture.

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

A labor of love by laborers in the sign-making business.

Try an original egg cream at this museum located inside one of the last surviving old-fashioned seltzer factories in America.

A small piece of the composer's New York home lives on in the center of Czech culture in Manhattan.

Sunset Park's Guatemalan community knows to head to the back of this bodega for a taste of home.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

The oldest family-run luncheonette in New York, last renovated in 1948, still serves food and drinks the old-fashioned way.

Once thought to be the fabled Holy Grail, it is now known to be an oil lamp.